8249442 has 16 divisors (see below), whose sum is σ = 16745952. Its totient is φ = 2708640.

The previous prime is 8249431. The next prime is 8249459. The reversal of 8249442 is 2449428.

8249442 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8249442² = 136106586622728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9859 + ... + 10662.

It is an arithmetic number, because the mean of its divisors is an integer number (1046622).

Almost surely, 2^8249442 is an apocalyptic number.

8249442 is an abundant number, since it is smaller than the sum of its proper divisors (8496510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8249442 is a wasteful number, since it uses less digits than its factorization.

8249442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20593.

The product of its digits is 18432, while the sum is 33.

The square root of 8249442 is about 2872.1841862945. The cubic root of 8249442 is about 202.0574453487.

The spelling of 8249442 in words is "eight million, two hundred forty-nine thousand, four hundred forty-two".